47190322321487 has 4 divisors (see below), whose sum is σ = 47224843407216. Its totient is φ = 47155801235760.

The previous prime is 47190322321469. The next prime is 47190322321517. The reversal of 47190322321487 is 78412322309174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47190322321487 - 2¹⁸ = 47190322059343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47190322321427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17260540814 + ... + 17260543547.

It is an arithmetic number, because the mean of its divisors is an integer number (11806210851804).

Almost surely, 2^{47190322321487} is an apocalyptic number.

47190322321487 is a deficient number, since it is larger than the sum of its proper divisors (34521085729).

47190322321487 is a wasteful number, since it uses less digits than its factorization.

47190322321487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34521085728.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 47190322321487 in words is "forty-seven trillion, one hundred ninety billion, three hundred twenty-two million, three hundred twenty-one thousand, four hundred eighty-seven".